I have Nikon D40, but i need help with the Nikkor i want?

Answer A lens should be considered an investment. With reasonable care a lens will outlast you. So here is my suggestion:AF-S VR Zoom-Nikkor 70-200mm f2.8G IF-ED. $1,899.95 at B&H.http://www.bhphotovideo.... Read More »

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Will a vintage nikon nikkor pro 52 0 1a-50mm 1.8 camera lens fit a nikon d3100?

I think you are asking about a 50 mm f/1.8 lens.Unless the lens is an AF Nikkor, the meter in your entry level D3100 will not work.The more advanced Nikon D7000 can use manual focus Nikkor AI or AI... Read More »

Are the Nikkor lenses manufactured for the Nikon FM-2 Series compatible on a Nikon D40?

You don't say which product range (coolpix, DSLR, professional DSLR, industrial optics?)

Will Nikon AF-S DX VR Zoom-Nikkor 55-200mm f/4-5.6G IF autofocus on a nikon d3100?

Yes. Any Nikon AF-S lens will auto focus on your D3100. Nikon AF lenses will not auto focus on your camera.

Will your AF Nikkor 35-70 zoom and AF Nikkor 70-210 zoom lenses work on new Nikon D40?